style checks.

Author: kannanjgithub

okhttp/src/test/java/io/grpc/okhttp/OkHttpClientTransportTest.java

@@ -72,10 +72,8 @@
 import io.grpc.internal.ClientStream;
 import io.grpc.internal.ClientStreamListener;
 import io.grpc.internal.ClientTransport;
-import io.grpc.internal.FailingClientStream;
 import io.grpc.internal.FakeClock;
 import io.grpc.internal.GrpcUtil;
-import io.grpc.internal.InsightBuilder;
 import io.grpc.internal.ManagedClientTransport;
 import io.grpc.okhttp.OkHttpClientTransport.ClientFrameHandler;
 import io.grpc.okhttp.OkHttpFrameLogger.Direction;